DensDeck® StormX Prime Roof Boards by Georgia-Pacific Gypsum are a reinforced gypsum cover board with an enhanced, moisture-resistant core and coated glass mat facers. DensDeck StormX is extremely durable and is approved for use in assemblies meeting FM’s Very Severe Hail (VSH) Classification.
Features & Benefits
Provides added protection from excessive foot traffic, wind, and hail
First gypsum cover board to meet FM VSH classification under single-ply membranes
Approved as a thermal barrier over combustible and non-combustible roof decks
Achieves UL 790 Class A and FM Class 1 approvals
Manufactured to meet the “Type X” requirements of ASTM C1177